Question

when beginning to focus a specimen under the microscope, which objective lens should be used first? 100x oil immersion lens 10x low - power lens 40x high - power lens 4x scanning lens clear my selection multiple choice 0 points

Explanation:

When using a microscope, it is standard practice to start with the lowest - power lens to get a general view of the specimen and to make initial focusing easier. The 4X scanning lens has the lowest magnification among the options, providing a wide - field view for initial orientation.

Answer:

4X scanning lens